Knob controlled combination lock



Oct. 31, 1933. M. A MEUSE KNOB CONTROLLED COMBINATION LOCK Filed Nov. 17, 1931 2 Sheets-Sheet l Oct. 3l, 1933. M. A. MEUSE KNOB CONTROLLED COMBINATION LOCK 2 Sheets-Sheet 2 Filed Nov. 17, 1931 uw n Patented ocr. 31',1219334 i y I 1,933,443

- 1,933,443- 'f1' I yIfINoB ooNTnoLLE'D; oor'nsINA'rIoiv,` I .f'iofir4V Mark A.Me1ise, Yarmouth County@l y i l Novar Scotia, Canada v l Application November 17,1931 y Serial'No. 575, 5'85A s claims. (ci. 741-53) Y This invention relates toa lock for safes, chests ings 16 in the casing 10,th'roughy which keeper f or other purposes, `and it aims to providea novel I members 17 may extend from a platelzattached f construction .Which'wll dispensetwith the use of .to the door, cover or the like to be locked; The a key and Will *provideforrl the yinter-control of plate' 11 'has lugs 19 thereon Which-extend intoy preferably veknobs, the exact Icombination for openings ofthe keepers 17 in' order to'effec't'the60y Which-Will beknown'alonetofthe'authorizedper-f' locking of the'plate 18. The sliding movement s son and Whichl combination it' will bepractically f of the locking plate l1,A under=contr`ol of the Scomimpossible' to determine, if notknown.v ybination means to bedescribed,renablesftheplatel It is particularly aimed to provide a novel con- 11 tomove' and accordingly `move v'the lugs 19 out` l' l0 struction having a slidable member adapted to of engagement Withj'the keepers 17 'Wherebyf the 65 connect operating `means for the looking fb-ar, latter arecrel'easedf.

through operation of certain of the knobs. Y' Y The lockplate vllrhas a recess therethrough finer-1, n

The vmorefspecinc objects and advantageswill which rackyteeth20arerprovided. The rack become apparent from a consideration `of the teeth are in mesh with teeth 21,01" a ring or andescription following taken in connection with nulus 22, one side of which is flat as at 23 Where 70A accompanying drawings illustrating van operative it is engaged by a leaf spring 24 in order to mainembodiment. tain the same in a predetermined position, to In said drawingsfacilitate locking and unlocking movement. Figure 1 is a side elevation of the lock, y Within the casing 10 below the lock plate is a rFigure 2 is` a longitudinal sectional View taken base plate 25, rigidly secured to the casing. Suit- 75 on the line 2 2 of Figure 1, ably journaled in the base plate 25 and adjacent Figure 3 is a horizontal sectional-[View taken portions of the casing are spindles 26, 27, 28, 29 on a plane at a right angle to Figure 2, and 30. Each of said spindles exteriorly of the l Figure 4 is a view similar to Figure 3 showing casing has a knob 31 fixed thereon and also a the part-s shifted to release the lockingv plate so `pointer 32 Whichcoacts with'adial 33 arranged 80 that it is free to be moved to unlocking position, about the same.

Figure 5 is a cross sectional vieW taken on the The previously mentioned-annulus V22 is jourline 5--5 of Figure 3, s c naled on the spindle27 and thus the latter is nor- Figure 6 is a cross sectional View taken on'the mally turnable or rrotatable independently of line 6 6 of Figure 3, Y the annulus'. A slide 33e, upheld bya leaf spring 85 Figure 7 is a cross sectional View taken on the 34, passes through a diametric slot 35 inthe line 7-7 of Figure 3,` y spindle 27.. Slide 33e has a lug 36, normally Figure 8 is a cross sectional View-taken on the Sl'eced flcm e Slet 0I notch 37 in the 31111111115 22, line 8-8 of Figure 3, l A'and which slide isvadapted tol be moved so ras to Figure 9 isa detail section'taken on the line dispose the lug 36 in thevslot 37 tothereby couple 90 9-9 of Figure 2, l l the annulus andspindle 27, to the end that oper- Figure l0 is a cross section taken on the line ation of the latter Will cause the teeth 21 to coact 10-10 of Figure 2, with lteeth 20 and thereby slide the lock plate 11 Figure 11 is an enlarged cross section taken on to unlocking position. the line 11-11 of Figure 2, and The improved lock has means coacting with the 95 Figure 12 is an enlarged'cross section taken on various sprldleS 26, 23, 29 and 30, t0 render it the line 12--12 of Figure 2. practically impossible to actuate the slide 33a Referring specically to thedrawings, the inunder I10rma1 cendtens, that-,is unless actuated vention is applicable to a lock used for any deby Someone kIlOWllg the COmbDaJ-crl neceSSaIy sired purpose and hence the particular lock illusfor successful operation of the spindles. To this 100 trated is to be considered by Way of illustration end, a SeTeS 0f auxiliary Slides 38, 39, 40 and 4l,

, only. Such lock embodies a. suitable easing, at are mounted in elements 42 rigid with thebase 10, the specic details of which form no part of plete 25- Seid Slides efe normally retracted 01 the invention. l Mounted for longitudinal slidingv urged away frcmthe meinslde 33aby eXpanSVe movement in the casing 10 is a locking plate 11. Springs 43- l 105 Such plateis limited in its movement by cross On the'spindles 28 and 29, are disks 41a having members 12 and its ends are disposed in lthe upstanding vlugs 42e, in which slides 43a lare grooves of mounting relements 13, secured as mounted, the same having enlarged openings'44 shownv at 14 to the casing 10. Said plate 11 has through which the spindles 28 and 29 pass. Ex-

y one or more recesses 15 therein in line With openpansive coil springs 45, are associated With the 110 with the main slide 33a and operation of the'fcam 47 so displacesit that the spring 43 movesy the slide 38 to a position affording clearance for slide` ing of the main slide 33a. Even when slide 38 is moved to provide clearance for slide 33,-bthisLlata ter element cannot move until lug 36 on slide=33a= is alined with notch 37 in annulus 22.

Leaf springs 48 may engage various spindles 26,

27, 2 3, 29` andA 30,:to maintain `the samelin posieg.A tions .towhichthey are adjusted,.to thus in eiectt1.l

serve, as friction brakes. v

Variousfnhangesmay kbe resorted vto provided theyiallilwithin thespirit andscopeof the inventiom .u n

I claimaas my, inventionzwl 1. A lockof the class described having alockng plate,;=an operating {elementin geared relation.

therewith havingia slot, an operating spindle nor.

mally movable independentlyr of said Aelement,;a slidelcarriedby the spindle, a lug on said slide, a

slideanormallypreventing themfirst slide from A A cam 47 on the spindle y26, normally maintains the slide 38 in contact moving its lug into said slot, and controlled means operable to move said lug into said yslot after movement of the second slide, .whereby vthe spindle and operating element Will be coupled for unitary actuation.

2. A lock of the class described having a locking plate, an operating elementtherefor, an operating ,spindle normallylmovable.independently of said element, a slide carried by the spindle and adapted for coupling engagement with said oper- `natingfelement, a slide normally preventing the rst slide from moving into coupling engagement vvvithsaid element;l and controlled means operable to `move,said,firstvrnentioned slide into coupling engagement withy the operating' element after movement of the second mentioned slide, whereby thefspindle and operating element will be coupled forJ unitary actuation.

3. Alocli ofthe class described having a locking plate, an operating element, means whereby actufationiof. theelement lvvill movev the. plate, an oper:

,ating spindle normally movable independentlyV o f said.element:a2slidefcarried by thespindle. a-slide, g,

.t normally. preventing the firstslide from moving.:

into couplinglengagement with `said elementand1 a sere sof control slidesnormally-preventingg;A

clutchsengagernent Io the `first@mentioned slidel` f with the operatingvelementfand operable to effectr Y; said engagementswhereby thespindle Aandoperf ating element Willbe coupledpforgunitary.actuar i' tion afteractuation of the second.mentionedslide. MARKAMMEIJSE! 

